Brand7225

High-Performance Steel for Tough, Durable Components

SIQUAL 7225 is a chromium, molybdenum, and manganese low alloy steel, with good toughness, torsional strength, and fatigue resistance. It is ideally suited for both statically and dynamically stressed components in vehicles, engines, and machinery. This steel is particularly effective for parts with larger cross-sections, such as crankshafts and gears.

Manufacture

SIQUAL 7225 is made by SIJ Acroni and SIJ Metal Ravne. The manufacturer depends on the steel's final form, affecting its physical properties and chemical composition.

Standards & certificates

Material number

1.7225

Ravne

VCMO140

EN

42CrMo4

AISI/SAE

4142

Properties

Modulus of elasticity[MPa]:190 - 210
Density[g/cm³]:7.84

Chemical composition

In weight %

C0.41
Si0.20
Mn0.75
Cr1.05
Mo0.23

Product forms

Flat sections

rolled
Wup to 850 mm
Tup to 450 mm

Forgings

forged
Lup to 10000 mm

Round bars

forged
Lup to 6000 mm
Φup to 1050 mm

Hardening

Harden from a temperature of 820 - 850 °C, 830 - 860 °C followed by water or oil quenching.

Forging

Hot forming temperature: 1050 - 850 °C.

Continuous Cooling Transformation (CCT)

Tempering

Disclaimer

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available

Unless otherwise specified, registered trademarks are property of SIJ Metal Ravne company. Copyright 2016 by SIJ Metal Ravne d.o.o. All rights reserved. Contact our Sales Office for more information.

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